Booking your arrival time on a Princess Cruises voyage is a digital process managed entirely through the Princess MedallionClass app. This feature is part of the "OceanReady" check-in process, which is designed to streamline the boarding experience and reduce crowding at the terminal. Once you have a confirmed booking, you should download the app and navigate to the "Arrival" or "Check-In" section. Here, you will be prompted to select a specific 30-minute arrival window. It is important to do this as early as possible, as popular slots tend to fill up fast. Choosing a time helps determine which "lane" you enter at the port; those who have completed all OceanReady steps (including uploading their photo and passport) enter the "Green Lane" for expedited boarding. If you don't choose a time, you may be assigned a late window or experience delays at the pier. Your selected time will be reflected on your digital boarding pass within the app. By staggering arrivals, Princess ensures that the flow of thousands of passengers remains manageable, allowing you to go from the curb to the lido deck in a fraction of the time required by traditional cruise check-in methods.